Roller Cone Bits - Oil & Gas Products 2006-2007 - Varel International
Roller Cone Bits - Oil & Gas Products 2006-2007 - Varel International
Roller Cone Bits - Oil & Gas Products 2006-2007 - Varel International
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C h a l l e n g e r S t e e l T o o t h - S e a l e d J o u r n a l B e a r i n g B i t s<br />
Advanced Cutting Structures<br />
Premium Hardfacing<br />
Forged Teeth<br />
Advanced Shirttail<br />
Contouring<br />
Shirttail<br />
Protection<br />
(see page 7)<br />
Semi-Round<br />
Top Gage<br />
Protection<br />
(G Feature)*<br />
Replaceable Center Jet<br />
Nozzle (J Feature)**<br />
Replaceable<br />
Jet Nozzle<br />
PREMIUM OPTIONS*<br />
• Diamond Enhanced Back Row (D Feature)<br />
• Gage Protection (G Feature)<br />
• Center Jet Nozzle (J Feature)**<br />
• Stabilization Inserts (R Feature)<br />
• Leading Edge Shirttail Inserts (S Feature)<br />
• Diamond Enhanced and Hardfacing (Z Feature)<br />
Shown: 12 1/4” CH1GJMS<br />
STANDARD FEATURES<br />
• Mud Motor Shirttail Hardfacing (M Feature)<br />
14<br />
* optional features available at extra cost<br />
** optional feature (on 8 3/8” & larger bits only) available at extra cost